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Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin instantly. Type in any field and see all three values update in real-time.

°C
°F
K
Quick Reference
Water freezes: 0°C = 32°F = 273.15K
Water boils: 100°C = 212°F = 373.15K
Absolute zero: −273.15°C = −459.67°F = 0K

Frequently Asked Questions

What temperature scales are supported?
Celsius (C), Fahrenheit (F), and Kelvin (K). All conversions happen in real-time as you type.
What is absolute zero?
Absolute zero is the lowest possible temperature: -273.15C, -459.67F, or 0K. It is the theoretical point where all molecular motion stops.
Why is Kelvin used?
Kelvin is the SI base unit for temperature. Unlike Celsius and Fahrenheit, it starts at absolute zero and does not use degrees, making it essential for scientific calculations.

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How to Use

  1. 1 Enter a temperature value in any field: Celsius, Fahrenheit, or Kelvin.
  2. 2 All three values update in real time as you type.
  3. 3 The tool handles conversions between all three scales using standard formulas.